More encouraging news on the U.S. economy helped send the Dow Jones industrial average above 18,000 for the first time.
The government reported early Tuesday that the economy grew at a rapid annual rate of 5 percent in the third quarter of the year, the fastest pace in more than a decade.
Indexes are at record highs and the market is on track for its fifth gain in a row. Indications that the Federal Reserve isn't planning interest rate hikes soon have reassured investors.
The Dow Jones industrial average rose 82 points, or 0.5 percent, to 18,043 as of 11:45 a.m. Eastern time.
The Standard & Poor's 500 rose five points, or 0.3 percent, to 2,083.
The Nasdaq composite fell four points, or 0.1 percent, to 4,777.